How to Grow Sweet Potatoes from Tubers for High Yields and Abundant Harvests

Watering and Maintenance
Keep the soil consistently moist, especially during the first month of growth.
Avoid overwatering, particularly in containers, as this can cause rot.
Once the vines are established, reduce watering to avoid excessive moisture around the roots.
Apply a layer of mulch to conserve moisture, regulate temperature, and suppress weeds.

Fertilizing for Maximum Yield
For best results, use a balanced organic fertilizer during the early growth phase, then switch to a phosphorus- and potassium-rich fertilizer (like bone meal or ash tea) once tubers begin forming.

Avoid over-fertilizing with nitrogen, as it encourages vines rather than roots.

Pest and Disease Control
Sweet potatoes are generally resistant to pests, but you may encounter:
Aphids or caterpillars: Handpick or spray with neem oil.
Root rot: Prevent by ensuring proper drainage.
Nematodes: Practice crop rotation or use resistant varieties.
Inspect the plants regularly and remove any damaged or diseased foliage to keep the vines healthy.

Harvesting Your Sweet Potatoes
Sweet potatoes are typically ready to harvest in 90 to 120 days after transplanting, depending on the variety and growing conditions.

Signs it’s time to harvest:
The leaves and vines begin to yellow or die back.
The growing season ends, especially before the first frost in colder regions.

To harvest:
Gently dig around the base of the plant using a hand fork or spade.
Be careful not to damage the tubers.
Let the harvested sweet potatoes cure in a warm, shaded, and ventilated space for about 7–10 days. This enhances sweetness and extends shelf life.
After curing, store them in a cool, dry place for up to several months.

Final Thoughts
Growing sweet potatoes from tubers is simple, sustainable, and highly productive. With minimal effort and a bit of planning, you can enjoy a rich harvest of sweet, nutritious tubers right from your garden, balcony, or even containers. This low-cost method not only saves money, but also reduces reliance on store-bought produce—and there’s something truly satisfying about harvesting your own food.